how can I create a struct with row vectors

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Tianyu Cheng
Tianyu Cheng 2020-11-27
评论： Tianyu Cheng 2020-11-27
I create a struct:
gt_tracks(num_gt_tracks) = struct('Position', [], 'Velocity', []);
for j = 1:num_gt_tracks
gt_tracks(j).Position = [gt(j,2:3), 0];
gt_tracks(j).Velocity = zeros(3,1);
end
but in this code:
OSPA(t) = OSPAMetric(tracks, gt_tracks);
OSPA requires 'Position' and 'Velocity' fields must be row vectors.
so what should i do?

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回答（1 个）

Sulaymon Eshkabilov
Sulaymon Eshkabilov 2020-11-27
It is quite straightforward to create row vector components for a Structure array. E.g.:
t=linspace(0,13, 131);
GT.Pos = randi([-13, 13],1, 131);
GT.Vel = 2.5*t-5;

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